Index: experimental/PdfViewer/pdfparser/podofo/SkPodofoParsedPDF.cpp |
=================================================================== |
--- experimental/PdfViewer/pdfparser/podofo/SkPodofoParsedPDF.cpp (revision 0) |
+++ experimental/PdfViewer/pdfparser/podofo/SkPodofoParsedPDF.cpp (revision 0) |
@@ -0,0 +1,194 @@ |
+#include "SkPodofoParsedPDF.h" |
+ |
+#include "SkPdfPodofoTokenizer.h" |
+#include "SkPdfHeaders_autogen.h" |
+#include "SkPdfMapper_autogen.h" |
+#include "SkPdfBasics.h" |
+#include "SkPdfParser.h" |
+ |
+#include "podofo.h" |
+ |
+SkPodofoParsedPDF::SkPodofoParsedPDF(const char* path) : fDoc(new PoDoFo::PdfMemDocument(path)) |
+ , fMapper(new SkPdfMapper(this)) {} |
+ |
+SkPodofoParsedPDF::~SkPodofoParsedPDF() { |
+ delete fDoc; |
+ delete fMapper; |
+} |
+ |
+int SkPodofoParsedPDF::pages() const { |
+ return fDoc->GetPageCount(); |
+} |
+ |
+double SkPodofoParsedPDF::width(int page) const { |
+ PoDoFo::PdfRect rect = fDoc->GetPage(page)->GetMediaBox(); |
+ return rect.GetWidth() + rect.GetLeft(); |
+} |
+ |
+double SkPodofoParsedPDF::height(int page) const { |
+ PoDoFo::PdfRect rect = fDoc->GetPage(page)->GetMediaBox(); |
+ return rect.GetHeight() + rect.GetBottom(); |
+} |
+ |
+const SkPdfResourceDictionary* SkPodofoParsedPDF::pageResources(int page) const { |
+ SkPdfPageObjectDictionary* pg = NULL; |
+ SkPdfObject* obj = make(fDoc->GetPage(page)->GetObject()); |
+ fMapper->mapPageObjectDictionary(obj, &pg); |
+ return pg ? pg->Resources() : NULL; |
+} |
+ |
+SkRect SkPodofoParsedPDF::MediaBox(int page) const { |
+ PoDoFo::PdfRect rect = fDoc->GetPage(page)->GetMediaBox(); |
+ SkRect skrect = SkRect::MakeLTRB(SkDoubleToScalar(rect.GetLeft()), |
+ SkDoubleToScalar(rect.GetBottom()), |
+ SkDoubleToScalar(rect.GetLeft() + rect.GetWidth()), |
+ SkDoubleToScalar(rect.GetBottom() + rect.GetHeight())); |
+ return skrect; |
+} |
+ |
+ |
+SkPdfPodofoTokenizer* SkPodofoParsedPDF::tokenizerOfPage(int page) const { |
+ PoDoFo::PdfContentsTokenizer* t = new PoDoFo::PdfContentsTokenizer(fDoc->GetPage(page)); |
+ return new SkPdfPodofoTokenizer(this, t); |
+} |
+ |
+SkPdfPodofoTokenizer* SkPodofoParsedPDF::tokenizerOfStream(const SkPdfStream* stream) const { |
+ if (stream == NULL) { |
+ return NULL; |
+ } |
+ |
+ char* buffer = NULL; |
+ long len = 0; |
+ stream->GetFilteredCopy(&buffer, &len); |
+ return tokenizerOfBuffer(buffer, len); |
+} |
+ |
+SkPdfPodofoTokenizer* SkPodofoParsedPDF::tokenizerOfBuffer(char* buffer, size_t len) const { |
+ PoDoFo::PdfContentsTokenizer* t = new PoDoFo::PdfContentsTokenizer(buffer, len); |
+ return new SkPdfPodofoTokenizer(this, t); |
+} |
+ |
+size_t SkPodofoParsedPDF::objects() const { |
+ return fDoc->GetObjects().GetSize(); |
+} |
+ |
+const SkPdfObject* SkPodofoParsedPDF::object(int i) const { |
+ PoDoFo::PdfVecObjects& objects = (PoDoFo::PdfVecObjects&)fDoc->GetObjects(); |
+ return make(objects[i]); |
+} |
+ |
+SkPdfObject* SkPodofoParsedPDF::make(PoDoFo::PdfObject* obj) const { |
+ return new SkPdfObject(this, obj); |
+} |
+ |
+const SkPdfObject* SkPodofoParsedPDF::make(const PoDoFo::PdfObject* obj) const { |
+ return new SkPdfObject(this, obj); |
+} |
+ |
+const SkPdfMapper* SkPodofoParsedPDF::mapper() const { |
+ return fMapper; |
+} |
+ |
+SkPdfNumber* SkPodofoParsedPDF::createNumber(double number) const { |
+ return new SkPdfNumber(this, new PoDoFo::PdfObject(PoDoFo::PdfVariant(number))); |
+} |
+ |
+SkPdfInteger* SkPodofoParsedPDF::createInteger(int value) const { |
+ return new SkPdfInteger(this, new PoDoFo::PdfObject(PoDoFo::PdfVariant((PoDoFo::pdf_int64)value))); |
+} |
+ |
+SkPdfString* SkPodofoParsedPDF::createString(char* sz, size_t len) const { |
+ // TODO(edisonn): NYI |
+ return NULL; |
+} |
+ |
+PdfContext* gPdfContext = NULL; |
+ |
+void SkPodofoParsedPDF::drawPage(int page, SkCanvas* canvas) const { |
+ SkPdfPodofoTokenizer* tokenizer = tokenizerOfPage(page); |
+ |
+ PdfContext pdfContext(this); |
+ pdfContext.fOriginalMatrix = SkMatrix::I(); |
+ pdfContext.fGraphicsState.fResources = pageResources(page); |
+ |
+ gPdfContext = &pdfContext; |
+ |
+ // TODO(edisonn): get matrix stuff right. |
+ // TODO(edisonn): add DPI/scale/zoom. |
+ SkScalar z = SkIntToScalar(0); |
+ SkRect rect = MediaBox(page); |
+ SkScalar w = rect.width(); |
+ SkScalar h = rect.height(); |
+ |
+ SkPoint pdfSpace[4] = {SkPoint::Make(z, z), SkPoint::Make(w, z), SkPoint::Make(w, h), SkPoint::Make(z, h)}; |
+// SkPoint skiaSpace[4] = {SkPoint::Make(z, h), SkPoint::Make(w, h), SkPoint::Make(w, z), SkPoint::Make(z, z)}; |
+ |
+ // TODO(edisonn): add flag for this app to create sourunding buffer zone |
+ // TODO(edisonn): add flagg for no clipping. |
+ // Use larger image to make sure we do not draw anything outside of page |
+ // could be used in tests. |
+ |
+#ifdef PDF_DEBUG_3X |
+ SkPoint skiaSpace[4] = {SkPoint::Make(w+z, h+h), SkPoint::Make(w+w, h+h), SkPoint::Make(w+w, h+z), SkPoint::Make(w+z, h+z)}; |
+#else |
+ SkPoint skiaSpace[4] = {SkPoint::Make(z, h), SkPoint::Make(w, h), SkPoint::Make(w, z), SkPoint::Make(z, z)}; |
+#endif |
+ //SkPoint pdfSpace[2] = {SkPoint::Make(z, z), SkPoint::Make(w, h)}; |
+ //SkPoint skiaSpace[2] = {SkPoint::Make(w, z), SkPoint::Make(z, h)}; |
+ |
+ //SkPoint pdfSpace[2] = {SkPoint::Make(z, z), SkPoint::Make(z, h)}; |
+ //SkPoint skiaSpace[2] = {SkPoint::Make(z, h), SkPoint::Make(z, z)}; |
+ |
+ //SkPoint pdfSpace[3] = {SkPoint::Make(z, z), SkPoint::Make(z, h), SkPoint::Make(w, h)}; |
+ //SkPoint skiaSpace[3] = {SkPoint::Make(z, h), SkPoint::Make(z, z), SkPoint::Make(w, 0)}; |
+ |
+ SkAssertResult(pdfContext.fOriginalMatrix.setPolyToPoly(pdfSpace, skiaSpace, 4)); |
+ SkTraceMatrix(pdfContext.fOriginalMatrix, "Original matrix"); |
+ |
+ |
+ pdfContext.fGraphicsState.fMatrix = pdfContext.fOriginalMatrix; |
+ pdfContext.fGraphicsState.fMatrixTm = pdfContext.fGraphicsState.fMatrix; |
+ pdfContext.fGraphicsState.fMatrixTlm = pdfContext.fGraphicsState.fMatrix; |
+ |
+ canvas->setMatrix(pdfContext.fOriginalMatrix); |
+ |
+#ifndef PDF_DEBUG_NO_PAGE_CLIPING |
+ canvas->clipRect(SkRect::MakeXYWH(z, z, w, h), SkRegion::kIntersect_Op, true); |
+#endif |
+ |
+// erase with red before? |
+// SkPaint paint; |
+// paint.setColor(SK_ColorRED); |
+// canvas->drawRect(rect, paint); |
+ |
+ PdfMainLooper looper(NULL, tokenizer, &pdfContext, canvas); |
+ looper.loop(); |
+ |
+ delete tokenizer; |
+ |
+ canvas->flush(); |
+} |
+ |
+// TODO(edisonn): move in trace util. |
+#include "SkMatrix.h" |
+#include "SkRect.h" |
+ |
+#ifdef PDF_TRACE |
+void SkTraceMatrix(const SkMatrix& matrix, const char* sz) { |
+ printf("SkMatrix %s ", sz); |
+ for (int i = 0 ; i < 9 ; i++) { |
+ printf("%f ", SkScalarToDouble(matrix.get(i))); |
+ } |
+ printf("\n"); |
+} |
+ |
+void SkTraceRect(const SkRect& rect, const char* sz) { |
+ printf("SkRect %s ", sz); |
+ printf("x = %f ", SkScalarToDouble(rect.x())); |
+ printf("y = %f ", SkScalarToDouble(rect.y())); |
+ printf("w = %f ", SkScalarToDouble(rect.width())); |
+ printf("h = %f ", SkScalarToDouble(rect.height())); |
+ printf("\n"); |
+} |
+#endif |
+ |